Biology STAAR Review #2

Front

What is a prokaryotic cell?

Back

A prokaryotic cell is a type of cell that lacks a nucleus and other membrane-bound organelles. Examples include bacteria.

Front

What are amino acids?

Back

Amino acids are organic compounds that serve as the building blocks of proteins. There are 20 different amino acids that combine in various ways to form proteins.

Front

What are the building blocks of lipids?

Back

Fatty acids and glycerol are the building blocks of lipids.

Front

What are nucleotides?

Back

Nucleotides are the basic building blocks of nucleic acids, such as DNA and RNA. Each nucleotide consists of a sugar, a phosphate group, and a nitrogenous base.

Front

What do viruses and living cells have in common?

Back

Both viruses and living cells store genetic information.

Front

What is the function of proteins in the body?

Back

Proteins perform a variety of functions including building and repairing tissues, acting as enzymes, and supporting immune function.

Front

What are carbohydrates?

Back

Carbohydrates are organic compounds made of carbon, hydrogen, and oxygen, and they serve as a primary energy source for living organisms.

Front

What is the role of lipids in biological systems?

Back

Lipids serve as long-term energy storage, make up cell membranes, and act as signaling molecules.

Front

What are the main types of nucleic acids?

Back

The main types of nucleic acids are DNA (deoxyribonucleic acid) and RNA (ribonucleic acid).

Front

What is the structure of a protein?

Back

Proteins are made up of one or more chains of amino acids that fold into a specific three-dimensional shape.